Microchip Technology ATXMEGA256A3BU-MHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.59 | $8.59 |
| 15+ | $8.32 | $124.80 |
| 25+ | $8.14 | $203.50 |
| 50+ | $7.68 | $384.00 |
| 100+ | $6.78 | $678.00 |
| N+ | $1.36 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® XMEGA® A3BU |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8/16-Bit |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 47 |
| Program Memory Size | 256KB (128K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 16K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.6V ~ 3.6V |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |  |
The ATXMEGA256A3BU-MHR from Microchip is a high-performance 8/16-bit AVR microcontroller with 256KB flash and 16KB SRAM. Running at 32MHz, it features DMA, PWM, and brown-out detection. Its 1.6V-3.6V supply range and compact 64-VFQFN package make it ideal for low-power, space-constrained embedded designs.
- Ultra-Low Power: 1.6V operation extends battery life in portable devices.
- Large Flash: 256KB supports complex firmware and OTA updates.
- DMA Efficiency: Reduces CPU load for high-throughput sensor data.
- Compact Package: 64-VFQFN saves PCB space for miniaturized products.
Battery-Powered Data Loggers
The 1.6V minimum supply and low-power AVR core allow extended operation in remote environmental monitoring systems.
Industrial Sensor Hubs
With 256KB flash and DMA, it aggregates multiple analog and digital sensors while maintaining real-time response at 32MHz.
Smart Metering Infrastructure
Its robust PWM and brown-out detection ensure reliable operation in utility meters exposed to power fluctuations.
Portable Instrumentation
The 64-VFQFN package and wide voltage range suit handheld test equipment requiring high code density.
Automotive Body Electronics
Operating from -40°C to 85°C, it handles window lift and lighting control with its integrated PWM and WDT.
Consumer Robotics
DMA and fast AVR core enable smooth servo control and sensor fusion for hobbyist and educational robots.
- Q: What is the core architecture of ATXMEGA256A3BU-MHR?
- A: It uses an 8/16-bit AVR core running at up to 32MHz.
- Q: How much flash memory does it have?
- A: It has 256KB of flash memory.
- Q: What is the supply voltage range?
- A: It operates from 1.6V to 3.6V.
- Q: What package is this device available in?
- A: It comes in a 64-VFQFN exposed pad package.
- Q: Does it support DMA?
- A: Yes, it includes a DMA controller for peripheral data transfers.
ATXMEGA256A3BU-MHR.pdf
- Q: What is the core architecture of ATXMEGA256A3BU-MHR?
- A: It uses an 8/16-bit AVR core running at up to 32MHz.
- Q: How much flash memory does it have?
- A: It has 256KB of flash memory.
- Q: What is the supply voltage range?
- A: It operates from 1.6V to 3.6V.
- Q: What package is this device available in?
- A: It comes in a 64-VFQFN exposed pad package.
- Q: Does it support DMA?
- A: Yes, it includes a DMA controller for peripheral data transfers.
